Full-Duplex Self-Backhaul Small Cell: Capacity Gain and Traffic Adaptation

Choi, Jeongsik; Bai, Jingwen; Yeh, Shu‐ping; Choi, Yang-Seok; Talwar, Shilpa

doi:10.1109/iccw.2018.8403647

Cited by 3 publications

(1 citation statement)

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“…In [13] a scheduler based on back-pressure and Geometric Programming was proposed for the case of one MBS and one FD relay. The combination of FD relaying and non-orthogonal multiple access (NOMA) is considered in [14]- [16] In [17] traffic adaptation was also considered to better exploit the potential of FD radios.…”

Section: Introductionmentioning

confidence: 99%

Capacity Analysis for Full Duplex Self-Backhauled Small Cells

Xu¹,

Liu²,

Goyal

et al. 2018

2018 IEEE Globecom Workshops (GC Wkshps)

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Full duplex (FD) communication enables simultaneous transmission and reception on the same frequency band. Though it has the potential of doubling the throughput on isolated links, in reality, higher interference and asymmetric traffic demands in the uplink and downlink could significantly reduce the gains of FD operations. In this paper, we consider the application of FD operation in self-backhauled small cells, where multiple FD capable small cell base stations (SBS) are wirelessly backhauled by a FD capable macro-cell BS (MBS). To increase the capacity of the backhaul link, the MBS is equipped with multiple antennas to enable space division multiple access (SDMA). A scheduling method using back-pressure algorithm and geometric programming is proposed for link selection and interference mitigation. Simulation results show that with FD SDMA backhaul links, the proposed scheduler almost doubles throughput under asymmetric traffic demand and various network conditions.Index Terms-full duplex, space division multiple access, wireless backhaul, scheduling

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